In- and On-Line Particle Size Distribution Analysis in Highly Concentrated Suspensions and Emulsions

The Top 3 Advantages

Real-time measurement in the process environment | simple installation | low-maintenance operation


Measuring without dilution | optimal use with optically dense liquids


Use in process, laboratory as well as product and process development | grinding, crystallisation

Particle size analysis with ultrasonic extinction from <0.1 - 3,000 µm in real time

Ultrasonic extinction provides an outstanding performance for in-line and on-line particle size analysis of suspensions and emulsions. One of the major benefits is the ability to operate in highly concentrated mediums, which typically come along with wet process stages. A solid content between 5 and 50 % by volume is a typical range of concentration. These are perfect conditions for OPUS, which even may be applied at concentrations up to 70 % by volume – typical for paste-like particulate systems.

Using sound waves instead of light waves, analysis of suspensions or emulsions is independent of transparency and may be conducted in totally opaque disperse matter like water droplets in crude oil, mineral slurries or even carbon particles in liquid pitch. Paints, sugar pastes or pharmaceutical suspension also belong to the main field of application. Ultrasonic extinction allows for a rugged and robust probe design that resists typical process conditions such as high temperatures, pressures or aggressive media and abrasive materials.

Trade-fair appearance
  • Achema 2022 ( Hall 4.1, Booth A7)

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